EP0870893B1 - Starkisolierendes Verglasungselement - Google Patents

Starkisolierendes Verglasungselement Download PDF

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Publication number
EP0870893B1
EP0870893B1 EP98400871A EP98400871A EP0870893B1 EP 0870893 B1 EP0870893 B1 EP 0870893B1 EP 98400871 A EP98400871 A EP 98400871A EP 98400871 A EP98400871 A EP 98400871A EP 0870893 B1 EP0870893 B1 EP 0870893B1
Authority
EP
European Patent Office
Prior art keywords
glazed element
hole
glazed
glass
glass sheets
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
EP98400871A
Other languages
English (en)
French (fr)
Other versions
EP0870893A1 (de
Inventor
Yves Demars
René Poix
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Saint Gobain Glass France SAS
Original Assignee
Saint Gobain Glass France SAS
Compagnie de Saint Gobain SA
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Saint Gobain Glass France SAS, Compagnie de Saint Gobain SA filed Critical Saint Gobain Glass France SAS
Publication of EP0870893A1 publication Critical patent/EP0870893A1/de
Application granted granted Critical
Publication of EP0870893B1 publication Critical patent/EP0870893B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
    • E06B3/00—Window sashes, door leaves, or like elements for closing wall or like openings; Layout of fixed or moving closures, e.g. windows in wall or like openings; Features of rigidly-mounted outer frames relating to the mounting of wing frames
    • E06B3/66—Units comprising two or more parallel glass or like panes permanently secured together
    • E06B3/6612—Evacuated glazing units
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47F—SPECIAL FURNITURE, FITTINGS, OR ACCESSORIES FOR SHOPS, STOREHOUSES, BARS, RESTAURANTS OR THE LIKE; PAYING COUNTERS
    • A47F3/00—Show cases or show cabinets
    • A47F3/04—Show cases or show cabinets air-conditioned, refrigerated
    • A47F3/0404—Cases or cabinets of the closed type
    • A47F3/0426—Details
    • A47F3/0434—Glass or transparent panels
    • E—FIXED CONSTRUCTIONS
    • E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
    • E06B3/00—Window sashes, door leaves, or like elements for closing wall or like openings; Layout of fixed or moving closures, e.g. windows in wall or like openings; Features of rigidly-mounted outer frames relating to the mounting of wing frames
    • E06B3/54—Fixing of glass panes or like plates
    • E06B3/5436—Fixing of glass panes or like plates involving holes or indentations in the pane
    • E—FIXED CONSTRUCTIONS
    • E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
    • E06B3/00—Window sashes, door leaves, or like elements for closing wall or like openings; Layout of fixed or moving closures, e.g. windows in wall or like openings; Features of rigidly-mounted outer frames relating to the mounting of wing frames
    • E06B3/66—Units comprising two or more parallel glass or like panes permanently secured together
    • E06B3/663—Elements for spacing panes
    • E06B3/66304—Discrete spacing elements, e.g. for evacuated glazing units
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A30/00—Adapting or protecting infrastructure or their operation
    • Y02A30/24—Structural elements or technologies for improving thermal insulation
    • Y02A30/249—Glazing, e.g. vacuum glazing
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B80/00—Architectural or constructional elements improving the thermal performance of buildings
    • Y02B80/22—Glazing, e.g. vaccum glazing

Definitions

  • the invention relates to a glazed element with high insulating power intended to be fixed on a supporting structure.
  • She is particularly interested in the fixing of glass elements to high insulating power on a supporting structure by a technique of fixing said elements not by their periphery using a peripheral frame but by mechanical attachment points usually located at each corner.
  • Each of the substrates may be a unit glass plate or present a laminated structure.
  • structural glazing implies, in the case of such multiple glazing, that in general, only one of the substrates is united to the supporting structure by a fastening system, which raises a particularly thorny point: indeed, it means that other substrates that are associated with this fixed substrate are at risk under the effect of their own weight, to subject the peripheral seals, previously mentioned, to hard tests; because these, not guaranteeing that the tightness of the whole, are absolutely not studied to resist to high shear stress.
  • the usual insulating glazing units provide thermal insulation considered unsatisfactory for some applications.
  • a gas such as Krypton.
  • These windows have significantly improved thermal insulation properties, but are of a thickness and such a weight that it is not easy to use them in particular in V.E.A.
  • the object of the invention is then to overcome these drawbacks by proposing a new type of glazing with high insulating power, called V.E.A. including the "hanging" the supporting structure is safe while retaining an ability to flex sustainable way, whose thickness and weight are relatively low and whose fastening system is not penalizing in terms of the cost and complexity of manufacturing.
  • the subject of the invention is a glazed element with high insulating power according to the This glazed element is composed of at least two sheets of glass between which a vacuum has been created, separated from each other by studs distributed over the entire surface, joined at their periphery by a seal mineral, this glazed element having at least one hole, said hole being sealed at its periphery in a sealed manner with a mineral seal.
  • the invention thus substitutes for conventional insulating glazing insulating glazing consisting of at least two sheets of glass between which a vacuum has been made.
  • the insulating glazing has a lower total thickness than that of the conventional insulating glazing thermal insulation properties clearly improved.
  • the patent application EP-A-0 645 516 describes an insulating glazing unit composed of two sheets of glass separated from each other by a small space in which the empty has been realized.
  • the glass sheets are separated from each other by studs distributed over the entire surface and joined at their periphery by a seal mineral.
  • the structure of such a glazing gives it a rigidity and a holding equivalent to those of a monolithic glazing of a thickness equal to the sum of thicknesses of the glass sheets, that is to say that the glass sheets are comprise as one. It is therefore advantageous to use this type of glazing in type V.E.A. because their behavior mechanical, and therefore their ability to flex, is controllable.
  • the peripheral sealing seal the hole has at least the same mechanical strength as the seal peripheral of the glazed element.
  • the sealing gasket hole device exhibits the same compression strength as the seal of peripheral sealing of the glazed element and according to another preferred mode of realization, it has the same shear strength as the seal peripheral of the glazed element.
  • the presence of such a seal between the two sheets of glass at the location of the fastener allows for a tightening of the glazed element as efficient and simple as with monolithic glazing.
  • the glazed element according to the invention thus makes it possible to employ a mechanical assembly for hanging easier and easier to achieve than in the case of glazing usual insulators.
  • the glass sheets of the glazed element advantageously undergo a quenching treatment. This quenching allows to reinforce the resistance of the glass sheets during the realization of the vacuum, as well as the overall strength of the glazed element in its various applications.
  • the glass sheets of the glazed element have a thickness of 2 millimeters.
  • the glazed element thus obtained has a mechanical behavior equivalent to that of thick monolithic glazing 4 millimeters.
  • This type of glazed element advantageously has a low thickness for significantly improved thermal insulation properties.
  • At least one of the glass sheets comprises advantageously a low emitting layer on an internal face, that is to say on a face in contact with the pads. This layer can contribute to the function thermal insulation.
  • the glazed element according to the invention is provided with at least one fastening assembly for hanging said glazed element to a supporting structure.
  • the fixing assembly passes to through a hole in the glazed element and the shape of said hole is such that the fixing assembly is tightened on all the glass sheets constituting the glazed element.
  • the fastener assembly goes to through a hole in the glazed element and the shape of said hole is such that the fastening assembly is tightened on only one of the glass sheets constituting the glazed element.
  • the face front of the attachment assembly is at the same level as one of the faces external elements of the glazed element, it is said that the attachment is then of the flush type.
  • the glazed element appears, seen from the outside, devoid of any fastening element "overflowing", which is particularly aesthetic.
  • the invention also relates to the use of the predefined glazed element.
  • a first use concerns the constitution of building facades of malls.
  • a second use concerns the constitution of doors or walls climatic chamber.
  • This type of application has the advantage of realizing, for low wall thickness, very high thermal insulation and very good for this kind of use, thermal insulation that can not be achieved with the conventional insulating glazing having an overall thickness meeting the criteria congestion and visibility.
  • a third use envisaged concerns the constitution of roofs, glazed elements serving as tiles or covering panels.
  • FIG. 1 represents a partial view of a facade consisting of glazed elements 1 with high insulating capacity separated by compressible and narrow joints 2, each of the glazed elements 1 being fixed mechanically to the supporting structure at its four corners by attachment points 3 so that the outer surface has generally no overflowing element. Fastening places other than in the corners are also possible.
  • All of Figures 2 and 3 represents a glazed element 1 whose shape of the hole 9 varies according to the desired mode of attachment.
  • This glazed element 1 consists of two glass sheets 4 and 5 between which a vacuum 6 has been produced, separated from one another by studs 7 distributed over the entire surface and joined at their periphery by a mineral seal 8
  • the glazed element has a hole 9 sealed at its periphery by a mineral seal 10.
  • the glass sheets 4 and 5 are each 4 millimeters thick.
  • the glass sheet 4 is coated on its face of a low-emissive layer 11.
  • This layer is for example of the type of that described in French Patent No. 2,701,474 filed in the name of Saint-Gobain International glazing.
  • the pads 7 have a thickness of 0.2 millimeters and a 0.4 millimeter diameter. They are spread all over the surface of the leaves of glass and are spaced from each other by 30 millimeters.
  • These studs 7 are deposited on one of the glass sheets 4 and 5 after these have been coated with a low-emissive layer 11, for example by pyrolysis, shaped separately to form the hole 9, then quenched.
  • a glass frit bead on the periphery of the second glass sheet and the hole of it, the two sheets of glass are assembled so that both holes are in facing relation to form the hole 9, then a treatment is carried out thermal assembly to achieve the welding of the two sheets of glass 4 and 5, the sealing joints 8 and 10 then sealing the assembly.
  • FIG. 2a shows a first embodiment of a glazed element 1 provided with a fastening assembly 12 clamped on the two glass sheets 4 and 5.
  • the fastening assembly 12 consists of a screw 13 inserting in the hole 9, a locking / clamping element 14 and washers 15 and 16 of softer material than that of the screw 13, such as for example aluminum, the screw 13 is preferably stainless steel.
  • the glass sheet 4 is pierced of a circular hole and the glass sheet 5 is pierced with a circular hole of the same diameter and centered on the previous one.
  • Screw 13 made of stainless steel with a cylindrical head greater than the diameter of the hole 9, passes through the glazed element 1.
  • the head of the screw 13 bears on the surface of the glass sheet 4 with interposition of the washer 15 to obtain a better contact without risk of degradation of the edge of the hole of the glass sheet 4.
  • the blocking / clamping element 14 is screwed on the screw 13 and is placed on the sheet 5 by means of the washer 16.
  • the fastening assembly 12 is then tight on the two glass sheets 4 and 5 in contact with each other by through the seal 10 whose mechanical properties him to withstand the pressure forces exerted by the fastening assembly 12. This type of assembly is the easiest to achieve, but has the disadvantage not to be flush.
  • FIG. 2b shows a second embodiment of a glazed element 1 provided with a fastening assembly 12 tightened on the two glass sheets 4 and 5.
  • the fastening assembly 12 consists of a stainless steel screw 23 inserting in the hole 9, a locking / clamping element 24 and washers 25 and 26 of aluminum.
  • the glass sheet 4 is pierced of a milled circular hole and the glass sheet 5 is pierced with a circular hole milled in diameter identical to the inside diameter of the previous hole and centered on this one.
  • the screw 23 conical head passes through the glazed element 1 and bears on the sheet of glass 4 so as to be flush with the outer surface thereof, the washer 25 being interposed between the glass sheet 4 and the head of the screw 23.
  • the blocking / clamping element 24 is screwed onto the screw 23 and is glass 5 through the washer 26.
  • the fastening assembly 12 is then tight on the two glass sheets 4 and 5 in contact with each other by through the seal 10.
  • Figure 2c shows a third embodiment of a glazed element 1 provided with a fastening assembly 12 clamped on the two glass sheets 4 and 5.
  • the fastening assembly 12 is identical to that of Figure 2b.
  • the glass sheet 4 is perched a milled circular hole and the glass sheet 5 is pierced with a circular hole milled lower diameter centered on the previous one so that when both sheets 4 and 5 are joined through the seal 10, the surface internal hole 9 forms a regularly conical surface.
  • the head of the screw 23 is supported by means of the washer 25 on the surface of the hole 9, flush with the outer surface of the glass sheet 4.
  • the element of blocking / tightening 24 is screwed on the screw 23 and is plate on the glass sheet 5 by through the washer 26.
  • the fastening assembly 12 is then tightened on the two sheets of glass 4 and 5 in contact with each other via the sealing joint 10.
  • the head contact screw and glazed element 1 provides a better distribution of forces generated by the tightening the fastening assembly 12.
  • FIG. 3a shows a first embodiment of a glazed element 1 provided with a fastening assembly 12 clamped on one of the two glass sheets 4 and 5 constituting the glazed element 1.
  • the fastening assembly 12 consists of a stainless steel screw 33 inserted in the hole 9, a locking / clamping element 34 and washers 35 and 36 made of aluminum.
  • the glass sheet 4 is pierced of a circular hole and the glass sheet 5 is pierced with a circular hole of lower diameter and centered on the previous one.
  • the screw 33 with cylindrical head diameter less than that of the hole of the glass sheet 4 and greater than that of the 5 glass sheet, passes through the glazed element 1.
  • the head of the screw 33 bears on the inner surface of the glass sheet 5 by means of the washer 35.
  • the blocking / clamping element 34 is screwed on the screw 33 and is placed on the sheet of glass 5 outer side through the washer 36.
  • the set of fastening 12 is then tightened on the glass sheet 5, the height of the head of the screw 33 being such that the front face thereof is at the same level as the surface 4.
  • FIG. 3b shows a second embodiment of a glazed element 1 provided with a fixing assembly 12 clamped on one of the two glass sheets 4 and 5 constituting the glazed element 1.
  • the fastening assembly 12 consists of a stainless steel screw 43 inserted in the hole 9, a locking / clamping element 44 and washers 45 and 46 made of aluminum.
  • the glass sheet 4 is pierced of a circular hole and the glass sheet 5 is pierced with a milled circular hole centered on the previous one and whose outer diameter is less than the diameter of the hole of the glass sheet 4.
  • the screw 43 with cylindrical head of diameter less than diameter of the hole of the glass sheet 4 and greater than the external diameter of the hole of the glass sheet 5, crosses glazed element 1.
  • the screw head 43 comes into bearing on the inner surface of the glass sheet 5 via the washer 45.
  • the locking / clamping element 44 of conical shape is screwed on the screw 43 and bears against the glass sheet 5 so as to be flush with the surface outside thereof, the washer 26 being interposed between the glass sheet 5 and the locking / clamping element 44.
  • the fixing assembly 12 is then clamped on the sheet of glass 5, the height of the head of the screw 43 being such that the front face of it is at the same level as the outer surface of the glass sheet 4.
  • FIG. 3c shows a third embodiment of a glazed element 1 provided with a fastening assembly 12 clamped on one of the two glass sheets 4 and 5 constituting the glazed element 1.
  • the fastening assembly 12 consists of a stainless steel screw 53 with a conical head inserted in the hole 9, a locking / clamping element 54 and washers 55 and 56 made of aluminum.
  • the glass sheet 4 is pierced a milled circular hole and the glass sheet 5 is pierced with a circular hole centered on the previous one and whose diameter is greater than the external diameter of the hole of the glass sheet 4.
  • the screw 53 conical head bears on the sheet of glass 4 so as to be flush with the outer surface thereof, the washer 55 being interposed between the glass sheet 4 and the head of the screw 53.
  • the element of Locking / Clamping 54 is screwed onto the screw 53 and plate on the glass sheet 4 side internal via the washer 56. The fastening assembly 12 is then tight on the glass sheet 4.
  • Clamping the fastening assembly 12 on one of the two sheets of glass 4 and 5 of the glazed element 1 is generally the most preferred embodiment simple and the easiest to implement.
  • the holding in time of the element glazed 1 hook is advantageously provided by the structure itself thereof and more particularly by the mechanical properties of the seals 8 and 10.
  • the mounting of the fastening assembly on the glazed element can be done completely on the site.
  • said glazed elements that can be provided in their simplest form, that is to say without fasteners.
  • the attachment of these glazed elements is simple implementation.

Claims (11)

  1. Glaselement (1) mit hohem Isoliervermögen, das sich aus mindestens zwei Glasscheiben (4, 5) zusammensetzt, zwischen denen ein Vakuum (6) erzeugt worden ist und welche durch über die gesamte Fläche verteilte Stifte (7) voneinander getrennt und an ihrem Umfang durch eine anorganische Dichtung (8) miteinander verbunden sind, dadurch gekennzeichnet, dass das Glaselement (1), um es in einer Tragstruktur zu verankern, mit mindestens einer Befestigungseinheit (12) versehen ist, die durch ein Loch (9) hindurchgeht, das in der Gesamtheit der das Glaselement (1) bildenden Glasscheiben angebracht ist, dass das Glaselement (1) am Umfang des Lochs mittels einer anorganischen Dichtung (10) abgedichtet ist, und dass die Form von Befestigungseinheit (12) und Loch (9) derart ist, dass die Befestigungseinheit auf einer oder allen das Glaselement (1) bildenden Glasscheiben festgezogen wird.
  2. Glaselement (1) nach Anspruch 1, dadurch gekennzeichnet, dass die Umfangsdichtung (10) des Lochs (9) wenigstens dieselbe mechanische Widerstandsfähigkeit wie die Umfangsdichtung (8) des Glaselements (1) besitzt.
  3. Glaselement (1) nach Anspruch 2, dadurch gekennzeichnet, dass die Umfangsdichtung (10) des Lochs (9) dieselbe Druckfestigkeit wie die Umfangsdichtung (8) des Glaselements (1) besitzt.
  4. Glaselement (1) nach Anspruch 2 oder 3, dadurch gekennzeichnet, dass die Umfangsdichtung (10) des Lochs (9) dieselbe Scherfestigkeit wie die Umfangsdichtung (8) des Glaselements (1) besitzt.
  5. Glaselement (1) nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass die Glasscheiben (4, 5) vorgespannt worden sind.
  6. Glaselement (1) nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass die Mindestdicke der Glasscheiben (4, 5) 2 Millimeter beträgt.
  7. Glaselement (1) nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass mindestens eine der Glasscheiben (4, 5) auf der Seite, die sich mit den Stiften (7) in Berührung befindet, eine niedrig emittierende Schicht (11) besitzt.
  8. Glaselement (1) nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass die Verankerung bündig abschließt.
  9. Verwendung des Glaselements (1) nach einem der vorhergehenden Ansprüche zur Herstellung von Gebäudefassaden.
  10. Verwendung des Glaselements (1) nach einem der Ansprüche 1 bis 8 zur Herstellung von Türen oder Wänden von klimatisierten Behältern.
  11. Verwendung des Glaselements (1) nach einem der Ansprüche 1 bis 8 zur Herstellung von Dächern.
EP98400871A 1997-04-11 1998-04-09 Starkisolierendes Verglasungselement Expired - Lifetime EP0870893B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9704509A FR2762039B1 (fr) 1997-04-11 1997-04-11 Element vitre a haut pouvoir isolant
FR9704509 1997-04-11

Publications (2)

Publication Number Publication Date
EP0870893A1 EP0870893A1 (de) 1998-10-14
EP0870893B1 true EP0870893B1 (de) 2005-09-07

Family

ID=9505824

Family Applications (1)

Application Number Title Priority Date Filing Date
EP98400871A Expired - Lifetime EP0870893B1 (de) 1997-04-11 1998-04-09 Starkisolierendes Verglasungselement

Country Status (10)

Country Link
US (1) US6138434A (de)
EP (1) EP0870893B1 (de)
JP (1) JPH10331305A (de)
AT (1) ATE304112T1 (de)
CA (1) CA2234300C (de)
DE (1) DE69831440T2 (de)
DK (1) DK0870893T3 (de)
ES (1) ES2249815T3 (de)
FR (1) FR2762039B1 (de)
PL (1) PL194851B1 (de)

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CA2234300C (fr) 2010-03-30
DE69831440D1 (de) 2005-10-13
EP0870893A1 (de) 1998-10-14
PL194851B1 (pl) 2007-07-31
CA2234300A1 (fr) 1998-10-11
DK0870893T3 (da) 2006-01-23
JPH10331305A (ja) 1998-12-15
ES2249815T3 (es) 2006-04-01
FR2762039A1 (fr) 1998-10-16
PL325732A1 (en) 1998-10-12
FR2762039B1 (fr) 1999-06-04
DE69831440T2 (de) 2006-06-29
ATE304112T1 (de) 2005-09-15
US6138434A (en) 2000-10-31

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